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&#160;<span id="projectnumber">3.7.0</span>
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<div id="projectbrief">Ridiculously Fast JSON</div>
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<div class="title">Object iteration</div> </div>
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<p>Methods to iterate and find object fields.
<a href="#details">More...</a></p>
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Functions</h2></td></tr>
<tr class="memitem:ga46e677764da46ebbe4b0e4dea6672a5f"><td class="memItemLeft" align="right" valign="top">simdjson_warn_unused simdjson_inline <a class="el" href="structsimdjson_1_1simdjson__result.html">simdjson_result</a>&lt; bool &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__object.html#ga46e677764da46ebbe4b0e4dea6672a5f">simdjson::SIMDJSON_IMPLEMENTATION::ondemand::value_iterator::start_object</a> () noexcept</td></tr>
<tr class="memdesc:ga46e677764da46ebbe4b0e4dea6672a5f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Start an object iteration. <a href="group__object.html#ga46e677764da46ebbe4b0e4dea6672a5f">More...</a><br /></td></tr>
<tr class="separator:ga46e677764da46ebbe4b0e4dea6672a5f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gab9563a58e164e9f5f75805cffb3582ec"><td class="memItemLeft" align="right" valign="top">simdjson_warn_unused simdjson_inline <a class="el" href="structsimdjson_1_1simdjson__result.html">simdjson_result</a>&lt; bool &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__object.html#gab9563a58e164e9f5f75805cffb3582ec">simdjson::SIMDJSON_IMPLEMENTATION::ondemand::value_iterator::start_root_object</a> () noexcept</td></tr>
<tr class="memdesc:gab9563a58e164e9f5f75805cffb3582ec"><td class="mdescLeft">&#160;</td><td class="mdescRight">Start an object iteration from the root. <a href="group__object.html#gab9563a58e164e9f5f75805cffb3582ec">More...</a><br /></td></tr>
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<tr class="memitem:ga262c7a1f9320fefb1711fec7b69ef6b1"><td class="memItemLeft" align="right" valign="top">simdjson_warn_unused simdjson_inline <a class="el" href="namespacesimdjson.html#a7b735a3a50ba79e3f7f14df5f77d8da9">error_code</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__object.html#ga262c7a1f9320fefb1711fec7b69ef6b1">simdjson::SIMDJSON_IMPLEMENTATION::ondemand::value_iterator::check_root_object</a> () noexcept</td></tr>
<tr class="memdesc:ga262c7a1f9320fefb1711fec7b69ef6b1"><td class="mdescLeft">&#160;</td><td class="mdescRight">Checks whether an object could be started from the root. <a href="group__object.html#ga262c7a1f9320fefb1711fec7b69ef6b1">More...</a><br /></td></tr>
<tr class="separator:ga262c7a1f9320fefb1711fec7b69ef6b1"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga192424d19b12648eea73e3d073d5fcac"><td class="memItemLeft" align="right" valign="top">simdjson_warn_unused simdjson_inline <a class="el" href="structsimdjson_1_1simdjson__result.html">simdjson_result</a>&lt; bool &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__object.html#ga192424d19b12648eea73e3d073d5fcac">simdjson::SIMDJSON_IMPLEMENTATION::ondemand::value_iterator::started_object</a> () noexcept</td></tr>
<tr class="memdesc:ga192424d19b12648eea73e3d073d5fcac"><td class="mdescLeft">&#160;</td><td class="mdescRight">Start an object iteration after the user has already checked and moved past the {. <a href="group__object.html#ga192424d19b12648eea73e3d073d5fcac">More...</a><br /></td></tr>
<tr class="separator:ga192424d19b12648eea73e3d073d5fcac"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gaa0c31077aeadb6fc627d4c5750e58ecb"><td class="memItemLeft" align="right" valign="top">simdjson_warn_unused simdjson_inline <a class="el" href="structsimdjson_1_1simdjson__result.html">simdjson_result</a>&lt; bool &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__object.html#gaa0c31077aeadb6fc627d4c5750e58ecb">simdjson::SIMDJSON_IMPLEMENTATION::ondemand::value_iterator::started_root_object</a> () noexcept</td></tr>
<tr class="memdesc:gaa0c31077aeadb6fc627d4c5750e58ecb"><td class="mdescLeft">&#160;</td><td class="mdescRight">Start an object iteration from the root, after the user has already checked and moved past the {. <a href="group__object.html#gaa0c31077aeadb6fc627d4c5750e58ecb">More...</a><br /></td></tr>
<tr class="separator:gaa0c31077aeadb6fc627d4c5750e58ecb"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga7956fe38cd8ecfbc8f709aa6f65c92b4"><td class="memItemLeft" align="right" valign="top">simdjson_warn_unused simdjson_inline <a class="el" href="structsimdjson_1_1simdjson__result.html">simdjson_result</a>&lt; bool &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__object.html#ga7956fe38cd8ecfbc8f709aa6f65c92b4">simdjson::SIMDJSON_IMPLEMENTATION::ondemand::value_iterator::has_next_field</a> () noexcept</td></tr>
<tr class="memdesc:ga7956fe38cd8ecfbc8f709aa6f65c92b4"><td class="mdescLeft">&#160;</td><td class="mdescRight">Moves to the next field in an object. <a href="group__object.html#ga7956fe38cd8ecfbc8f709aa6f65c92b4">More...</a><br /></td></tr>
<tr class="separator:ga7956fe38cd8ecfbc8f709aa6f65c92b4"><td class="memSeparator" colspan="2">&#160;</td></tr>
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simdjson_warn_unused simdjson_inline <a class="el" href="structsimdjson_1_1simdjson__result.html">simdjson_result</a>&lt; <a class="el" href="classsimdjson_1_1_s_i_m_d_j_s_o_n___i_m_p_l_e_m_e_n_t_a_t_i_o_n_1_1ondemand_1_1raw__json__string.html">raw_json_string</a> &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__object.html#ga9fd0d39ec786f26b7ea86f9bc8380bdd">simdjson::SIMDJSON_IMPLEMENTATION::ondemand::value_iterator::field_key</a> () noexcept</td></tr>
<tr class="memdesc:ga9fd0d39ec786f26b7ea86f9bc8380bdd"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get the current field's key. <br /></td></tr>
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<tr class="memdesc:gaaaf58bcf25e6d30a3469848d36c65a05"><td class="mdescLeft">&#160;</td><td class="mdescRight">Pass the : in the field and move to its value. <br /></td></tr>
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<tr class="memdesc:gacefcaf06811426a241ed97a6948a94ee"><td class="mdescLeft">&#160;</td><td class="mdescRight">Find the next field with the given key. <a href="group__object.html#gacefcaf06811426a241ed97a6948a94ee">More...</a><br /></td></tr>
<tr class="separator:gacefcaf06811426a241ed97a6948a94ee"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gab66bdaf2c97d2cbd2a94a5a3e67ffabc"><td class="memItemLeft" align="right" valign="top">simdjson_warn_unused simdjson_inline <a class="el" href="structsimdjson_1_1simdjson__result.html">simdjson_result</a>&lt; bool &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__object.html#gab66bdaf2c97d2cbd2a94a5a3e67ffabc">simdjson::SIMDJSON_IMPLEMENTATION::ondemand::value_iterator::find_field_raw</a> (const std::string_view key) noexcept</td></tr>
<tr class="memdesc:gab66bdaf2c97d2cbd2a94a5a3e67ffabc"><td class="mdescLeft">&#160;</td><td class="mdescRight">Find the next field with the given key, <em>without</em> unescaping. <a href="group__object.html#gab66bdaf2c97d2cbd2a94a5a3e67ffabc">More...</a><br /></td></tr>
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<tr class="memitem:ga678e53c38ebaf2323550e7f29e253df9"><td class="memItemLeft" align="right" valign="top">simdjson_warn_unused simdjson_inline <a class="el" href="structsimdjson_1_1simdjson__result.html">simdjson_result</a>&lt; bool &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__object.html#ga678e53c38ebaf2323550e7f29e253df9">simdjson::SIMDJSON_IMPLEMENTATION::ondemand::value_iterator::find_field_unordered_raw</a> (const std::string_view key) noexcept</td></tr>
<tr class="memdesc:ga678e53c38ebaf2323550e7f29e253df9"><td class="mdescLeft">&#160;</td><td class="mdescRight">Find the field with the given key without regard to order, and <em>without</em> unescaping. <a href="group__object.html#ga678e53c38ebaf2323550e7f29e253df9">More...</a><br /></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>Methods to iterate and find object fields. </p>
<p>These methods generally <em>assume</em> the value is actually an object; the caller is responsible for keeping track of that fact. </p>
<h2 class="groupheader">Function Documentation</h2>
<a id="ga262c7a1f9320fefb1711fec7b69ef6b1"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga262c7a1f9320fefb1711fec7b69ef6b1">&#9670;&nbsp;</a></span>check_root_object()</h2>
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<td class="memname">simdjson_warn_unused simdjson_inline <a class="el" href="namespacesimdjson.html#a7b735a3a50ba79e3f7f14df5f77d8da9">error_code</a> simdjson::SIMDJSON_IMPLEMENTATION::ondemand::value_iterator::check_root_object </td>
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<p>Checks whether an object could be started from the root. </p>
<p>May be called by start_root_object.</p>
<dl class="section return"><dt>Returns</dt><dd>SUCCESS if it is possible to safely start an object from the root (document level). @error INCORRECT_TYPE if there is no opening { @error TAPE_ERROR if there is no matching } at end of document </dd></dl>
<p class="definition">Definition at line <a class="el" href="value__iterator-inl_8h_source.html#l00050">50</a> of file <a class="el" href="value__iterator-inl_8h_source.html">value_iterator-inl.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#gacefcaf06811426a241ed97a6948a94ee">&#9670;&nbsp;</a></span>find_field()</h2>
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<td class="memname">simdjson_warn_unused simdjson_inline <a class="el" href="namespacesimdjson.html#a7b735a3a50ba79e3f7f14df5f77d8da9">error_code</a> simdjson::SIMDJSON_IMPLEMENTATION::ondemand::value_iterator::find_field </td>
<td>(</td>
<td class="paramtype">const std::string_view&#160;</td>
<td class="paramname"><em>key</em></td><td>)</td>
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<p>Find the next field with the given key. </p>
<p>Assumes you have called next_field() or otherwise matched the previous value.</p>
<p>This means the iterator must be sitting at the next key:</p>
<div class="fragment"><div class="line">{ <span class="stringliteral">&quot;a&quot;</span>: 1, <span class="stringliteral">&quot;b&quot;</span>: 2 }</div>
<div class="line"> ^</div>
</div><!-- fragment --><p>Key is <em>raw JSON,</em> meaning it will be matched against the verbatim JSON without attempting to unescape it. This works well for typical ASCII and UTF-8 keys (almost all of them), but may fail to match some keys with escapes (\u, <br />
, etc.). </p>
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<a id="gab66bdaf2c97d2cbd2a94a5a3e67ffabc"></a>
<h2 class="memtitle"><span class="permalink"><a href="#gab66bdaf2c97d2cbd2a94a5a3e67ffabc">&#9670;&nbsp;</a></span>find_field_raw()</h2>
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<td class="memname">simdjson_warn_unused simdjson_inline <a class="el" href="structsimdjson_1_1simdjson__result.html">simdjson_result</a>&lt; bool &gt; simdjson::SIMDJSON_IMPLEMENTATION::ondemand::value_iterator::find_field_raw </td>
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<td class="paramtype">const std::string_view&#160;</td>
<td class="paramname"><em>key</em></td><td>)</td>
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<p>Find the next field with the given key, <em>without</em> unescaping. </p>
<p>This assumes object order: it will not find the field if it was already passed when looking for some <em>other</em> field.</p>
<p>Assumes you have called next_field() or otherwise matched the previous value.</p>
<p>This means the iterator must be sitting at the next key:</p>
<div class="fragment"><div class="line">{ <span class="stringliteral">&quot;a&quot;</span>: 1, <span class="stringliteral">&quot;b&quot;</span>: 2 }</div>
<div class="line"> ^</div>
</div><!-- fragment --><p>Key is <em>raw JSON,</em> meaning it will be matched against the verbatim JSON without attempting to unescape it. This works well for typical ASCII and UTF-8 keys (almost all of them), but may fail to match some keys with escapes (\u, <br />
, etc.). </p>
<p class="definition">Definition at line <a class="el" href="value__iterator-inl_8h_source.html#l00112">112</a> of file <a class="el" href="value__iterator-inl_8h_source.html">value_iterator-inl.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga678e53c38ebaf2323550e7f29e253df9">&#9670;&nbsp;</a></span>find_field_unordered_raw()</h2>
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<td class="memname">SIMDJSON_PUSH_DISABLE_WARNINGS SIMDJSON_DISABLE_STRICT_OVERFLOW_WARNING simdjson_warn_unused simdjson_inline <a class="el" href="structsimdjson_1_1simdjson__result.html">simdjson_result</a>&lt; bool &gt; simdjson::SIMDJSON_IMPLEMENTATION::ondemand::value_iterator::find_field_unordered_raw </td>
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<p>Find the field with the given key without regard to order, and <em>without</em> unescaping. </p>
<p>This is an unordered object lookup: if the field is not found initially, it will cycle around and scan from the beginning.</p>
<p>Assumes you have called next_field() or otherwise matched the previous value.</p>
<p>This means the iterator must be sitting at the next key:</p>
<div class="fragment"><div class="line">{ <span class="stringliteral">&quot;a&quot;</span>: 1, <span class="stringliteral">&quot;b&quot;</span>: 2 }</div>
<div class="line"> ^</div>
</div><!-- fragment --><p>Key is <em>raw JSON,</em> meaning it will be matched against the verbatim JSON without attempting to unescape it. This works well for typical ASCII and UTF-8 keys (almost all of them), but may fail to match some keys with escapes (\u, <br />
, etc.). </p>
<p>When find_field_unordered_raw is called, we can either be pointing at the first key, pointing outside (at the closing brace) or if a key was matched we can be either pointing right afterthe ':' right before the value (that we need skip), or we may have consumed the value and we might be at a comma or at the final brace (ready for a call to has_next_field()).</p>
<p class="definition">Definition at line <a class="el" href="value__iterator-inl_8h_source.html#l00209">209</a> of file <a class="el" href="value__iterator-inl_8h_source.html">value_iterator-inl.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga7956fe38cd8ecfbc8f709aa6f65c92b4">&#9670;&nbsp;</a></span>has_next_field()</h2>
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<td class="memname">simdjson_warn_unused simdjson_inline <a class="el" href="structsimdjson_1_1simdjson__result.html">simdjson_result</a>&lt; bool &gt; simdjson::SIMDJSON_IMPLEMENTATION::ondemand::value_iterator::has_next_field </td>
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<p>Moves to the next field in an object. </p>
<p>Looks for , and }. If } is found, the object is finished and the iterator advances past it. Otherwise, it advances to the next value.</p>
<dl class="section return"><dt>Returns</dt><dd>whether there is another field in the object. @error TAPE_ERROR If there is a comma missing between fields. @error TAPE_ERROR If there is a comma, but not enough tokens remaining to have a key, :, and value. </dd></dl>
<p class="definition">Definition at line <a class="el" href="value__iterator-inl_8h_source.html#l00095">95</a> of file <a class="el" href="value__iterator-inl_8h_source.html">value_iterator-inl.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga46e677764da46ebbe4b0e4dea6672a5f">&#9670;&nbsp;</a></span>start_object()</h2>
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<p>Start an object iteration. </p>
<dl class="section return"><dt>Returns</dt><dd>Whether the object had any fields (returns false for empty). @error INCORRECT_TYPE if there is no opening { </dd></dl>
<p class="definition">Definition at line <a class="el" href="value__iterator-inl_8h_source.html#l00026">26</a> of file <a class="el" href="value__iterator-inl_8h_source.html">value_iterator-inl.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#gab9563a58e164e9f5f75805cffb3582ec">&#9670;&nbsp;</a></span>start_root_object()</h2>
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<p>Start an object iteration from the root. </p>
<dl class="section return"><dt>Returns</dt><dd>Whether the object had any fields (returns false for empty). @error INCORRECT_TYPE if there is no opening { @error TAPE_ERROR if there is no matching } at end of document </dd></dl>
<p class="definition">Definition at line <a class="el" href="value__iterator-inl_8h_source.html#l00031">31</a> of file <a class="el" href="value__iterator-inl_8h_source.html">value_iterator-inl.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga192424d19b12648eea73e3d073d5fcac">&#9670;&nbsp;</a></span>started_object()</h2>
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<p>Start an object iteration after the user has already checked and moved past the {. </p>
<p>Does not move the iterator unless the object is empty ({}).</p>
<dl class="section return"><dt>Returns</dt><dd>Whether the object had any fields (returns false for empty). @error INCOMPLETE_ARRAY_OR_OBJECT If there are no more tokens (implying the <em>parent</em> array or object is incomplete). </dd></dl>
<p class="definition">Definition at line <a class="el" href="value__iterator-inl_8h_source.html#l00036">36</a> of file <a class="el" href="value__iterator-inl_8h_source.html">value_iterator-inl.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#gaa0c31077aeadb6fc627d4c5750e58ecb">&#9670;&nbsp;</a></span>started_root_object()</h2>
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<p>Start an object iteration from the root, after the user has already checked and moved past the {. </p>
<p>Does not move the iterator unless the object is empty ({}).</p>
<dl class="section return"><dt>Returns</dt><dd>Whether the object had any fields (returns false for empty). @error INCOMPLETE_ARRAY_OR_OBJECT If there are no more tokens (implying the <em>parent</em> array or object is incomplete). </dd></dl>
<p class="definition">Definition at line <a class="el" href="value__iterator-inl_8h_source.html#l00080">80</a> of file <a class="el" href="value__iterator-inl_8h_source.html">value_iterator-inl.h</a>.</p>
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